Number System In how many different ways can the letters of the word TEST' be arranged ? 16 8 12 10 16 8 12 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word TEST consists of 4 letters in which T comes twice ∴ Number of arrangements= 4!/2! = 4 x 3 x 2 x 1/2 x 1 = 12
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 28 18 21 12 28 18 21 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 2893 2883 6489 3892 2893 2883 6489 3892 ANSWER DOWNLOAD EXAMIANS APP
Number System What is 25/2% of 482 times of 183 ? 12025.75 12025.50 11050.75 11025.75 12025.75 12025.50 11050.75 11025.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25/2% of [482 x 183]= 25/2% of 88206= 25/2 x 88206 / 100= 88206 / 8= 11025.75
Number System A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: 11 5 9 3 11 5 9 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and unit's digit be y. Then, number 10x + y.Number obtained by interchanging the digits = 10y + x.(10x + y) + (10y + x) = 11(x + y)which is divisible by 11.
Number System If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 30 125 50 25 30 125 50 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
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